put 'unsafeCoerce' in a standard location

[haskell-directory.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 2ac516d..d1927e8 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -8,8 +8,17 @@ AC_CONFIG_HEADERS([include/HsBaseConfig.h])
 # do we have long longs?
 AC_CHECK_TYPES([long long])
 
+dnl ** Working vfork?
+AC_FUNC_FORK
+
+dnl ** determine whether or not const works
+AC_C_CONST
+
+dnl ** check for full ANSI header (.h) files
+AC_HEADER_STDC
+
 # check for specific header (.h) files that we are interested in
-AC_CHECK_HEADERS([ctype.h fcntl.h signal.h sys/resource.h termios.h time.h])
+AC_CHECK_HEADERS([ctype.h dirent.h errno.h fcntl.h limits.h signal.h sys/resource.h sys/select.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h])
 
 # Enable large file support. Do this before testing the types ino_t, off_t, and
 # rlim_t, because it will affect the result of that test.
@@ -21,6 +30,17 @@ dnl functions if it's really there.
 AC_CHECK_HEADERS([wctype.h], [AC_CHECK_FUNCS(iswspace)])
 
 AC_CHECK_FUNCS([ftime gmtime_r localtime_r lstat readdir_r])
+AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer times])
+AC_CHECK_FUNCS([_chsize ftruncate])
+
+dnl ** check if it is safe to include both <time.h> and <sys/time.h>
+AC_HEADER_TIME
+
+dnl ** how do we get a timezone name, and UTC offset ?
+AC_STRUCT_TIMEZONE
+
+dnl ** do we have altzone?
+FP_DECL_ALTZONE
 
 # map standard C types and ISO types to Haskell types
 FPTOOLS_CHECK_HTYPE(char)
@@ -60,10 +80,28 @@ FPTOOLS_CHECK_HTYPE(ssize_t)
 FPTOOLS_CHECK_HTYPE(rlim_t)
 FPTOOLS_CHECK_HTYPE(wint_t)
 
+FPTOOLS_CHECK_HTYPE(intptr_t)
+FPTOOLS_CHECK_HTYPE(uintptr_t)
+# Workaround for OSes that don't have intmax_t and uintmax_t, e.g. OpenBSD.
+if test "$ac_cv_type_long_long" = yes; then
+  fptools_cv_default_htype_intmax=$fptools_cv_htype_long_long
+  fptools_cv_default_htype_uintmax=$fptools_cv_htype_unsigned_long_long
+else
+  fptools_cv_default_htype_intmax=$fptools_cv_htype_long
+  fptools_cv_default_htype_uintmax=$fptools_cv_htype_unsigned_long
+fi
+FPTOOLS_CHECK_HTYPE(intmax_t, $fptools_cv_default_htype_intmax)
+FPTOOLS_CHECK_HTYPE(uintmax_t, $fptools_cv_default_htype_uintmax)
+
 # test errno values
-FP_CHECK_CONSTS([E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV], [#include <stdio.h>
+FP_CHECK_CONSTS([E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV ENOCIGAR], [#include <stdio.h>
 #include <errno.h>])
 
+FP_CHECK_CONSTS([SIGABRT SIGALRM SIGBUS SIGCHLD SIGCONT SIGFPE SIGHUP SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV SIGSTOP SIGTERM SIGTSTP SIGTTIN SIGTTOU SIGUSR1 SIGUSR2 SIGPOLL SIGPROF SIGSYS SIGTRAP SIGURG SIGVTALRM SIGXCPU SIGXFSZ SIG_BLOCK SIG_SETMASK SIG_UNBLOCK SIG_DFL SIG_IGN SIG_ERR], [
+#if HAVE_SIGNAL_H
+#include <signal.h>
+#endif])
+
 dnl ** can we open files in binary mode?
 FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])